So I got this toy a year or two ago. It's a little nodding happy face guy -- called "Nohohon Zoku." It's solar powered and just nods back and forth. I've always envisioned it after all the humans die just nodding away. The post apocalyptic happy face.
But there was some office discussion about whether or not it would keep going -- and it occurred to us that we didn't know if it kept going after dark on the ambient light we get downtown. So I set a webcam on it and this is the result: